// Copyright (c) 2018, Bosch Software Innovations GmbH.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright
//      notice, this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright
//      notice, this list of conditions and the following disclaimer in the
//      documentation and/or other materials provided with the distribution.
//
//    * Neither the name of the copyright holder nor the names of its
//      contributors may be used to endorse or promote products derived from
//      this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#include "rviz_visual_testing_framework/internal/executor.hpp"

#include <QTimer>  // NOLINT

Executor::Executor()
: default_delay_interval_(2000)
{
  total_delay_ = default_delay_interval_;
}

void Executor::queueAction(std::function<void(void)> action)
{
  // The static method QTimer::singleShot allocates an object inside of it,
  // which clang static analysis flags as a potential memory leak.  However,
  // the allocation becomes part of the Qt object hierarchy attached to this
  // object, so it is in fact not a leak.  Just make clang static analysis
  // skip this line of code.
#ifndef __clang_analyzer__
  QTimer::singleShot(total_delay_, this, action);
#endif
  increaseTotalDelay();
}

void Executor::wait(size_t milliseconds_to_wait)
{
  total_delay_ += static_cast<int>(milliseconds_to_wait);
}

void Executor::increaseTotalDelay()
{
  total_delay_ += default_delay_interval_;
}
